CN113171989A - High-speed linear crossed belt sorting equipment and working method thereof - Google Patents
High-speed linear crossed belt sorting equipment and working method thereof Download PDFInfo
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- CN113171989A CN113171989A CN202110418550.5A CN202110418550A CN113171989A CN 113171989 A CN113171989 A CN 113171989A CN 202110418550 A CN202110418550 A CN 202110418550A CN 113171989 A CN113171989 A CN 113171989A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C3/00—Sorting according to destination
- B07C3/02—Apparatus characterised by the means used for distribution
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G35/00—Mechanical conveyors not otherwise provided for
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Abstract
The invention discloses high-speed linear crossed belt sorting equipment and a working method thereof. The sorting equipment comprises a rack, an annular track, a walking driving module and a sorting trolley. A plurality of sorting trolleys connected end to end are arranged on the annular track. Each sorting trolley is driven by a walking driving module. Two sides of the frame of the sorting trolley are provided with double-wheel type traveling wheel groups. The double-wheel type traveling wheel set comprises an upper track traveling wheel and a lower track traveling wheel. The upper track traveling wheel and the lower track traveling wheel are rotatably connected to the frame. The lower track traveling wheel of the sorting trolley is positioned between the inner side supporting plate and the outer side supporting plate of the annular track. The upper track traveling wheel is aligned with the inner side supporting plate of the circular track and staggered with the outer side supporting plate. The sorting trolley adopts a double-travelling-wheel structure, so that the sudden change of the steering of the travelling wheels when the travelling wheels in the middle of the rotary track change the track is avoided, and the noise and the vibration generated when the travelling wheels switch the inner and outer ring tracks are obviously reduced.
Description
Technical Field
The invention belongs to the technical field of logistics sorting, and particularly relates to high-speed linear crossed belt sorting equipment with a double-wheel structure and a working method thereof.
Background
The existing linear cross belt sorting equipment generally has the speed within 1.5m/s and only has a single traveling wheel. Two linear parts of the linear cross belt sorting equipment are arranged up and down; when the sorting trolley of the existing linear cross belt sorting equipment runs on the upper half part of the annular track 1, the walking wheels 2 roll on the inner side supporting plate, and when the lower half part of the annular track 1 runs, the walking wheels 2 roll on the outer side supporting plate. Therefore, the steering of the travelling wheels 2 when the upper half part of the circular track 1 moves is opposite to the steering of the travelling wheels when the lower half part of the circular track 1 moves; the steering change of the travelling wheels is rapid change in a small range at the junction of the upper half part and the lower half part of the annular track, so that the travelling wheels can bear great friction in the range and generate violent vibration; the vibration can cause the travelling wheels to jump in the annular track, thereby generating serious noise; simultaneously, this vibration still can influence letter sorting dolly letter sorting rate of accuracy and working life. Specifically, existing straight-line cross-belt sorting equipment operates with average noise in excess of 85 db.
In addition, the drive mode of current sharp cross area letter sorting equipment is the two-sided linear electric motor drive of vertical effect, and this structure needs to occupy great high space for the whole height of equipment exceeds 1.8m, need increase extra steel platform when being equipped with the letter sorting and package platform and come the compensation height, and this not only makes the cost-push of equipment, has still led to personnel's inconvenient operation.
The existing linear cross belt sorting equipment is provided with sliding contact lines on the whole annular track for supplying power and controlling an electric roller in a sorting trolley; however, the linear cross belt sorting equipment only needs to control the sorting trolley of the upper-layer track part to carry out transverse conveying, which causes resource waste; and a long ineffective friction process exists between the sliding contact line and the line concentration arm on the sorting trolley, so that the service life of the line concentration arm is shortened.
The rail plates on the two sides of the rotary rail part of the linear cross belt sorting equipment need to be centered so as to ensure the concentricity of the rail plates on the two sides and ensure that two unilateral rail grooves of the annular rail can be accurately aligned, thereby ensuring that the sorting trolley can smoothly run on the annular rail; however, in the prior art, the centering difficulty of the track plates on the two sides is high, so that more time is required for technicians, and the centering can be completed in a factory by means of auxiliary equipment; this makes the swing track section unable to reach the user for temporary assembly, which greatly increases the transportation cost of the swing track section; and jolts during transport can also reduce the accuracy of the previously assembled swing track sections.
Disclosure of Invention
The invention aims to provide linear sorting equipment with the characteristics of high speed and low noise and a working method thereof.
The invention relates to high-speed linear crossed belt sorting equipment which comprises an annular rail, a traveling driving module and a sorting trolley, wherein the traveling driving module is arranged on the annular rail; the annular track comprises an upper layer track, a lower layer track and two rotary tracks which are connected into a ring; a plurality of sorting trolleys connected end to end are arranged on the annular track and can walk along the annular track; each sorting trolley is driven by a walking driving module; two sides of the frame of the sorting trolley are respectively provided with a double-wheel type traveling wheel set; the double-wheel type traveling wheel group comprises an upper track traveling wheel and a lower track traveling wheel; when the sorting trolley is positioned at the upper half part of the annular track, the sorting trolley is supported on the annular track through the upper track travelling wheels; when the sorting trolley is positioned at the lower half part of the annular track, the sorting trolley is supported on the annular track through the lower track travelling wheels.
Preferably, the upper track travelling wheels and the lower track travelling wheels are staggered in the travelling direction of the sorting trolley; the lower track traveling wheel is positioned on the outer side of the upper track traveling wheel; the diameter of the lower track traveling wheel is smaller than that of the upper track traveling wheel; two unilateral rail grooves are oppositely arranged on the annular rail; the cross section of the unilateral rail groove is in a U shape with two side edges with different lengths; the two sides of the unilateral rail groove are respectively provided with an inner side supporting plate and an outer side supporting plate; the lower track traveling wheel of the sorting trolley is positioned between the inner side supporting plate and the outer side supporting plate of the unilateral track groove on the corresponding side; the upper track traveling wheels are aligned with the corresponding inner side supporting plates and staggered with the outer side supporting plates.
Preferably, the rotary track comprises two single-side track plates and n positioning columns, wherein n is more than or equal to 2. And n circular limiting grooves are formed in corresponding positions on opposite side surfaces of the two single-side track plates. One end of each of the n positioning columns is positioned through n circular limiting grooves on the inner side face of one of the unilateral track plates. The other ends of the n positioning columns are respectively positioned through n circular limiting grooves on the inner side face of the other one-side track plate, so that the two one-side track plates are aligned.
Preferably, a trolley line is arranged on the upper layer track; the lower layer track and the rotary track are not provided with sliding contact lines. And a wire collecting arm corresponding to the sliding contact wire is arranged on the frame of the sorting trolley.
Preferably, the high-speed linear cross belt sorting equipment further comprises a sliding contact module. The sliding contact module comprises a sliding contact line group and an introduction block. The sliding contact line group is installed and fixed in the upper layer track. The sliding contact line group comprises a plurality of sliding contact lines which are sequentially arranged at intervals along the width direction of the upper layer track. One end or two ends of each sliding contact line are provided with a guide block. And each contact on the wire collecting arm on the sorting trolley is respectively aligned with each sliding contact wire in the sliding contact wire group.
Preferably, each sliding contact line is respectively connected to the power supply module and the control module, and is used for supplying power to the driving roller on each sorting trolley and providing a control signal and a coding signal; and each contact on the current collecting arm is respectively connected with a power supply interface and a control interface of the driving roller.
Preferably, the distance between the two upper track traveling wheels is a; the distance between the two lower track traveling wheels is b. The width of the inner support plate is greater than the width of the outer support plate. The distance between the inner side supporting plates on the two unilateral rail grooves is c; the distance between the outer side supporting plates on the two unilateral rail grooves is d; c is less than a; a < d < b.
Preferably, the upper track running wheel and the lower track running wheel in the same two-wheeled running wheel set are supported on the same mounting shaft. The width of the unilateral rail groove is e; r is1+r2＜e＜r1+r2+Δs；r1、r2The radiuses of the upper track travelling wheel and the lower track travelling wheel are respectively; Δ s is the allowed run-out width.
Preferably, a secondary plate is fixed to the bottom of the frame. The secondary plate is horizontally arranged.
Preferably, one or more walking drive modules are arranged on the annular track. The walking driving module comprises a base, a linear motor and a protective wheel assembly. The linear motor is fixed on the base and corresponds to the secondary plate arranged on the sorting trolley. The guard wheel assembly includes a plurality of guard units. The protection units are arranged at equal intervals in sequence along the advancing direction of the sorting trolley. The center distance between two adjacent protection units is less than half of the length of the secondary plate. The protection unit comprises two protection wheels which are supported on the base and are respectively positioned on two sides of the linear motor. The distance between the two protective wheels is smaller than the width of the secondary plate. The outermost edge of each guard wheel extends beyond the drive face of the linear motor.
Preferably, the sorting trolley further comprises a frame, a transverse conveying module, guide wheels and a secondary plate. The transverse conveying module is arranged on the frame; the two sides of the bottom of the frame are both supported with guide wheels. The lateral part of the unilateral rail groove is provided with a guide plate. Two guide wheels on the sorting trolley are respectively contacted with the two guide plates.
Preferably, the transverse conveying module comprises a conveying frame, a driving roller, a driven roller and a conveying belt. The conveying frame is fixed with the top of the frame; the driving roller and the driven roller are respectively supported at two sides of the conveying frame and are connected through the conveying belt.
Preferably, the two ends of the frame are respectively provided with a hinge sleeve and a hinge pin shaft. The hinge sleeve on the former sorting trolley and the hinge pin shaft on the latter sorting trolley form a revolute pair.
Preferably, the bottom of the frame is provided with a plurality of ground foot stands.
The working method of the high-speed linear crossed belt sorting equipment is as follows:
the walking driving module drives the sorting trolley to circularly run. When a sorting trolley enters the lower half part from the upper half part of the rotary track, under the action of gravity, the upper track travelling wheels on the sorting trolley are separated from the inner side supporting plates on the circular track, and the lower track travelling wheels are contacted with the outer side supporting plates on the circular track, so that the steering change of the upper track travelling wheels is avoided.
When a sorting trolley enters the upper half part from the lower half part of the rotary track, the lower track travelling wheels on the sorting trolley are separated from the outer side supporting plates on the circular track under the action of gravity, and the lower track travelling wheels are in contact with the inner side supporting plates on the circular track, so that the steering change of the lower track travelling wheels is avoided.
The invention has the beneficial effects that:
1. the sorting trolley adopts a double-travelling-wheel structure, and different travelling wheels are used when the annular upper-layer track and the annular lower-layer track are arranged, so that the sudden change of the steering of the travelling wheels when the track is changed in the middle of the rotary track is avoided, the noise and the vibration generated when the travelling wheels switch the inner and outer annular tracks are obviously reduced, and the structural condition of high-speed movement is created.
2. The invention only arranges the electric brush structure on the upper layer track, but does not arrange the electric brush structure on the lower layer track and the revolving track, thus being capable of obviously reducing the cost. Meanwhile, under the condition that the lower-layer track and the rotary track are not provided with the sliding contact line groups, the abrasion of the line concentration arms on the sorting trolleys can be reduced, and convenience is brought to the installation and debugging of the structure.
3. According to the sorting trolley, the single-side flat-plate linear motor is adopted, the secondary plate is horizontally arranged, the height of the equipment is obviously reduced, the gravity center of the sorting trolley is closer to the contact point of the traveling wheel, and the operation is more stable; in addition, the protection wheels are arranged on the two sides of the linear motor, so that the linear motor can be prevented from being collided and damaged by separation or jumping of the secondary plate.
4. The rotary track is processed by adopting a split structure, relative positioning of the two unilateral track plates is realized by the four positioning columns and the circular limiting grooves, concentricity of the left unilateral track plate and the right unilateral track plate is ensured, and field assembly can be carried out in a sorting field, so that transportation cost and the required storage space are reduced.
Drawings
Fig. 1 is a schematic diagram of reversing jumping of a traveling wheel of a conventional linear crossed belt sorting device.
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 2;
FIG. 4 is a first perspective view of the sorting cart of the present invention;
FIG. 5 is a second perspective view of the sorting cart of the present invention;
FIG. 6 is a schematic front view of a sorting cart according to the present invention;
FIG. 7 is a perspective view of a swing rail according to the present invention;
FIG. 8 is a schematic front view of a swing rail according to the present invention;
FIG. 9 is a perspective view of a single-sided track plate according to the present invention;
FIG. 10 is a front view of a single-sided track plate according to the present invention;
fig. 11 is a perspective view of the walking driving module of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Example 1
As shown in fig. 2 and 3, the high-speed linear cross belt sorting equipment comprises a rack 3, an annular track 1, a walking driving module 4, a sliding contact module 5 and a sorting trolley 6 with a double-wheel structure. The endless track 1 is mounted on a frame 3. A plurality of letter sorting dolly 6 that are annular end to end in proper order sets up on circular orbit 1 to can be along the orbital motion. The bottom of the frame 3 is provided with a plurality of ground foot stands 3-1 for fixing with the ground. One end at the top of the annular track 1 is provided with an upper wrapping table, and the other end is provided with a plurality of lower wrapping lattice openings.
As shown in fig. 4, 5 and 6, the sorting cart 6 includes a frame 6-1, a lateral transfer module 6-2, guide wheels 6-3, a double-wheeled traveling wheel group, and a secondary plate 6-4. The transverse conveying module 6-2 is arranged on a T-shaped frame 6-1; the transverse conveying module 6-2 comprises a conveying frame, a driving roller, a driven roller and a conveying belt. The conveying frame is fixed with the top of the frame 6-1; the driving roller and the driven roller are respectively supported at two sides of the conveying frame and are connected through the conveying belt. The driving roller adopts an electric roller to provide power for transversely outputting the packages for the transverse conveying module 6-2. Two guide wheels 6-3 are supported on two sides of the bottom of the frame 6-1. The axis of the guide wheel 6-3 is vertically arranged (perpendicular to the axis of the hinge pin 6-9 and perpendicular to the axis of the driving roller).
Two sides of the frame 6-1 are provided with double-wheel type walking wheel sets. The double-wheel type traveling wheel set comprises a mounting shaft 6-5, an upper track traveling wheel 6-6 and a lower track traveling wheel 6-7. The inner end of the mounting shaft 6-5 is fixed with the frame. The axis of the mounting shaft 6-5 is arranged horizontally. The upper track traveling wheels 6-6 and the lower track traveling wheels 6-7 are supported on the mounting shaft 6-5 through bearings. The lower rail running wheels 6-7 are located outside the upper rail running wheels 6-6 (i.e., the upper rail running wheels 6-6 are located between the lower rail running wheels 6-7 and the cross member). The diameter of the lower rail running wheels 6-7 is smaller than the diameter of the upper rail running wheels 6-6.
Two installation shafts on the sorting trolley 6 are coaxially arranged. The distance between the two upper track traveling wheels 6-6 is a; the distance between two lower track traveling wheels 6-7 on the sorting trolley 6 is b; thus, a < b.
The bottom of the frame 6-1 is fixed with a secondary plate 6-4 matched with the linear motor 4-2. The secondary plate 6-4 is horizontally arranged (specifically, when the secondary plate 6-4 is in a straight line section of the annular track 1, the secondary plate is kept horizontal, and compared with a vertically arranged scheme, the horizontally arranged magnetic pole can effectively save the installation space). The frame 6-1 is composed of cross beams and longitudinal beams. The end part of the outer end of the cross beam is provided with a hinge sleeve 6-10; and hinge pin shafts 6-9 which are horizontally arranged are arranged on the outer sides of the middle parts of the longitudinal beams. The axis of the hinge pin 6-9 is perpendicular to the axis of the driving roller. The bottom of the frame 6-1 of each sorting trolley 6 is provided with a line concentration arm 6-8.
As shown in fig. 2 and 3, the sorting carriages 6 are arranged end to end in sequence on the endless track 1 to form an endless loop. The hinge sleeve 6-10 on the former sorting trolley 6 and the hinge pin 6-9 on the latter sorting trolley 6 form a revolute pair. Two unilateral rail grooves are oppositely arranged on the annular rail 1 at intervals and on the left and the right. The side part of the unilateral rail groove is provided with an annular guide plate 1-1. The guide plate 1-1 is used for providing limit for a guide wheel 6-3 of the sorting trolley 6. Two guide wheels 6-3 on the sorting trolley 6 are respectively contacted with the two guide plates 1-1. The cross section of the unilateral rail groove is in a U shape with two side edges with different lengths. The two sides of the unilateral rail groove are respectively provided with an inner side supporting plate 1-2 and an outer side supporting plate 1-3. The inner supporting plate 1-2 and the outer supporting plate 1-3 are both annular. The width of the inner support plate 1-2 is greater than the width of the outer support plate 1-3. The distance between the inner side supporting plates 1-2 on the two unilateral rail grooves is c; the distance between the outer side supporting plates 1-3 on the two unilateral rail grooves is d; c is less than a; a < d < b. The width of the unilateral rail groove (namely the distance between the inner side supporting plate 1-2 and the outer side supporting plate 1-3) is e; r is1+r2＜e＜r1+r2+Δs；r1+r2Respectively the radiuses of an upper track traveling wheel 6-6 and a lower track traveling wheel 6-7; Δ s is the allowed run-out width. Under the condition, the lower track traveling wheels 6-7 can be ensured to be arranged in the unilateral track groove, and the sorting trolley 6 cannot jump too much.
Thus, for the sorting carriages 6 mounted on the endless track 1, the lower track running wheels 6-7 are located between the inner support plates 1-2 and the outer support plates 1-3 on the unilateral track grooves on the corresponding side. The upper track travel wheels 6-6 are aligned with the corresponding inner support plates 1-2 and are staggered from the outer support plates 1-3. The inner support plate 1-2 is intended to support a sorting trolley 6 on the upper half of the endless track 1, which cooperates with upper track running wheels 6-6 on the sorting trolley 6. The inner support plate 1-2 is intended to support a sorting trolley 6 on the upper half of the endless track 1, which cooperates with upper track running wheels 6-6 on the sorting trolley 6. The outer supporting plate 1-3 is used for supporting a sorting trolley 6 on the lower half part of the annular track 1 and is matched with lower track travelling wheels 6-7 on the sorting trolley 6.
The unilateral rail groove consists of an upper linear groove section, a lower linear groove section and two arc transition groove sections. The same ends of the upper linear groove section and the lower linear groove section are connected through an arc transition groove section. When the double-wheel type traveling wheel group of the sorting trolley 6 moves from the upper half part to the lower half part of the arc transition groove section, the upper track traveling wheel 6-6 is changed from being positioned above the inner side supporting plate 1-2 to being positioned below the inner side supporting plate 1-2, so that the upper track traveling wheel 6-6 is separated from the inner side supporting plate 1-2 under the action of gravity; similarly, the lower rail running wheels 6-7 are changed from being positioned obliquely below the outer support plates 1-3 to being positioned obliquely above the outer support plates 1-3, so that the lower rail running wheels 6-7 are separated from the outer support plates 1-3 under the action of gravity.
Therefore, the upper half part of the annular track 1 is supported by the upper track travelling wheels 6-6, and the lower half part of the annular track 1 is supported by the lower track travelling wheels 6-7; compared with the prior art that the rotating speed of the walking wheel is changed from forward rotation to reverse rotation in a short time in the process of moving from the upper half section to the lower half section of the annular track 1; the walking wheels in the invention only need to accelerate from zero rotating speed to walking rotating speed, and the stress of the walking wheels in the reversing process can be obviously reduced, so that the noise in the sorting operation process of the linear cross belts can be obviously reduced, the vibration of the sorting trolley 6 can be reduced, and the service life of the sorting trolley 6 can be prolonged.
As shown in fig. 7, 8, 9 and 10, the endless track 1 includes an upper track 7, a lower track and a revolving track 8. Two ends of the upper-layer track 7 are respectively butted with top interfaces of the two rotary tracks 8; the two ends of the lower layer of track are respectively butted with the bottom interfaces of the two rotary tracks 8. The upper linear groove section, the lower linear groove section and the two arc transition groove sections of the unilateral rail groove are respectively positioned on the upper-layer track 7, the lower-layer track and the two rotary tracks 8. The rotary track 8 comprises two unilateral track plates 8-1 and four positioning columns 8-2. The two unilateral track plates 8-1 are both semi-circular like. Four corresponding positions on the opposite side surfaces of the two unilateral track plates 8-1 are respectively provided with a round limiting groove 8-3. The diameter of the round limiting groove 8-3 corresponds to the diameter of the positioning column 8-2. One end of each of the four positioning columns 8-2 is positioned through four circular limiting grooves 8-3 on the inner side face of one of the unilateral track plates 8-1 and fixed with the unilateral track plate 8-1 through bolts. The other ends of the four positioning columns 8-2 are respectively positioned through four round limiting grooves 8-3 on the inner side surface of the other unilateral track plate 8-1 and fixed with the unilateral track plate 8-1 through bolts.
The inner side surfaces of the two single-side track plates 8-1 are provided with corresponding circular limiting grooves 8-3, and the circular limiting grooves 8-3 are matched with the positioning columns 8-2 for positioning, so that the assembly and centering of the two single-side track plates 8-1 are very easy; and the rotary rail 8 does not need to be assembled in a factory and then transported to a user, but the unassembled single-side rail plate 8-1 and the positioning column 8-2 can be separately transported, so that the space required by transportation is reduced, and the transportation cost is reduced.
As shown in fig. 2 and 11, the plurality of travel driving modules 4 are respectively arranged on the upper-layer track 7 or the lower-layer track, and correspond to the secondary plate on the upper-layer or lower-layer sorting trolley. The walking driving module 4 comprises a base 4-1, a linear motor 4-2 and a protective wheel assembly 4-3. The base 4-1 is fixed on the upper layer track 7 or the lower layer track; the linear motor 4-2 is fixed on the base 4-1 and corresponds to the secondary plate 6-4 on the sorting trolley 6. The linear motor 4-2 adopts a single-sided linear motor 4-2. The guard wheel assembly 4-3 includes four guard units. The two protection units at the two ends respectively exceed the end faces of the two ends of the linear motor 4-2, so that the end parts of the linear motor are protected. The protective units are arranged at regular intervals in sequence along the travelling direction of the sorting trolley 6. The center distance between two adjacent protection units is less than half of the length of the secondary plate 6-4. The protection unit comprises two protection wheels supported on the base 4-1 with horizontal and coincident axes. The two protection wheels are respectively positioned at two sides of the linear motor 4-2, and the distance between the two protection wheels is smaller than the width of the secondary plate 6-4. The axis of the protective wheel is perpendicular to the advancing direction of the sorting trolley 6. The outermost edge of each protective wheel exceeds the driving surface of the linear motor 4-2 (namely the distance from the outermost edge of each protective wheel to the secondary plate 6-4 of the sorting trolley 6 at the corresponding position is less than the distance from the linear motor 4-2 to the secondary plate 6-4 of the sorting trolley 6 at the corresponding position), so that the protective driving surface is protected; when the secondary plate 6-4 accidentally drops or jumps, the protective wheel can prevent the secondary plate 6-4 from directly impacting the linear motor 4-2, so that the linear motor 4-2 is protected.
The sliding contact module 5 comprises a mounting plate 5-1, a sliding contact group 5-2 and a guide block 5-3. The mounting plate 5-1 is fixed in the upper rail 7. The sliding contact line group 5-2 fixed on the mounting plate 5-1 comprises a plurality of sliding contact lines which are sequentially arranged at intervals along the width direction of the upper-layer track 7. The two ends of each sliding contact line or the end close to the upper bag table are provided with a guide block 5-3. The contacts on the wire collecting arms 6-8 on the sorting trolley 6 are respectively aligned with the trolley wires in the trolley wire group 5-2. The lead-in block 5-3 is used to guide the individual contacts on the collector arm 6-8 to the individual trolley wires in the trolley wire set 5-2, ensuring that the collector arm makes good contact with the trolley wire set 5-2. Each sliding contact line is respectively connected to the power supply module and the control module, and is used for supplying power to the electric rollers on each sorting trolley 6 and providing control signals and coding signals; and each contact on the current collecting arm is respectively connected with a power supply interface and a control interface of the motorized pulley. Independent control of the individual motorized pulleys can be achieved by means of coded signals.
The lower layer track and the rotary track 8 are not provided with the sliding contact line group 5-2; when the sorting trolley 6 is driven out of the upper track 7, the sorting trolley is separated from the sliding contact line group 5-2, and the electric roller loses power supply and control. Because the transverse conveying module 6-2 of the sorting trolley 6 only needs to transversely output goods when the upper-layer track 7 runs, the transverse conveying module 6-2 loses control on the lower-layer track and the rotary track 8 and does not influence the normal running of sorting equipment; compared with the technical scheme that the sliding contact line group 5-2 is arranged on the whole annular track in the prior art, the technical scheme that the sliding contact line group 5-2 is only arranged on the upper-layer track 7 can obviously reduce the cost. Meanwhile, under the condition that the sliding contact line groups 5-2 are not arranged on the lower-layer track and the revolving track 8, the abrasion of the line concentration arms 6-8 on each sorting trolley 6 can be reduced, and therefore the service lives of the line concentration arms 6-8 are prolonged.
The working method of the high-speed linear crossed belt sorting equipment is as follows:
the linear motor 4-2 is started to provide advancing power for the sorting trolleys 6 above the linear motor, so that each sorting trolley 6 starts to run circularly.
When a sorting trolley 6 enters the upper track 7 from the revolving track 8, the current collecting arm on the sorting trolley 6 is contacted with the sliding contact line group 5-2 through the guide block 5-3, so that the driving roller on the sorting trolley 6 is powered and controlled. When a sorting trolley 6 enters the revolving track 8 from the upper track 7, the current collecting arms on the sorting trolley 6 are separated from the sliding contact group 5-2, thereby reducing the wear of the current collecting arms.
When a sorting trolley 6 enters the lower half part from the upper half part of the rotary track 8, under the action of gravity, the upper track traveling wheels 6-6 on the sorting trolley 6 are separated from the inner side supporting plates 1-2 on the annular track 1, and the lower track traveling wheels 6-7 are contacted with the outer side supporting plates 1-3 on the annular track 1, so that the track change of the traveling wheels is realized, the condition that the steering of the traveling wheels is suddenly changed to increase the rotating speed of the traveling wheels from zero is avoided, and the effects of reducing the jumping of the traveling wheels and reducing vibration and noise are achieved. Similarly, when a sorting trolley 6 enters the upper half part from the lower half part of the revolving track 8, under the action of gravity, the lower track traveling wheels 6-7 on the sorting trolley 6 are separated from the outer side supporting plates 1-3 on the annular track 1, and the lower track traveling wheels 6-7 are contacted with the inner side supporting plates 1-2 on the annular track 1.
The sorting trolley 6 receives the packages when arriving at the package loading platform on the upper-layer track 7; when the sorting trolley reaches the lower package grid corresponding to the package carried by the sorting trolley, the controller sends an instruction to the sorting trolley through the sliding contact line, so that the sorting trolley sends the package into the corresponding lower package grid.
Claims (14)
1. A high-speed linear crossed belt sorting device comprises an annular track (1), a walking driving module (4) and a sorting trolley (6); the method is characterized in that: the annular track (1) comprises an upper layer track (7), a lower layer track and two rotary tracks (8) which are connected into a ring; a plurality of sorting trolleys (6) which are connected end to end are arranged on the annular track (1) and can walk along the annular track (1); each sorting trolley (6) is driven by a walking driving module (4); two sides of a frame (6-1) of the sorting trolley (6) are respectively provided with a double-wheel type traveling wheel set; the double-wheel type traveling wheel group comprises an upper track traveling wheel (6-6) and a lower track traveling wheel (6-7); when the sorting trolley is positioned at the upper half part of the annular track (1), the sorting trolley is supported on the annular track (1) through upper track traveling wheels (6-6); the sorting trolley is arranged on the lower half part of the annular track (1) and is supported on the annular track (1) through lower track travelling wheels (6-7).
2. A high speed linear cross belt sorter as claimed in claim 1 wherein: the upper track traveling wheels (6-6) and the lower track traveling wheels (6-7) are staggered in the traveling direction of the sorting trolley; the lower track traveling wheels (6-7) are positioned at the outer sides of the upper track traveling wheels (6-6); the diameter of the lower track traveling wheel (6-7) is smaller than that of the upper track traveling wheel (6-6); two unilateral rail grooves are oppositely arranged on the annular rail (1); the cross section of the unilateral rail groove is in a U shape with two side edges with different lengths; the two sides of the unilateral rail groove are respectively provided with an inner side supporting plate (1-2) and an outer side supporting plate (1-3); the lower track traveling wheel (6-7) of the sorting trolley (6) is positioned between the inner side support plate (1-2) and the outer side support plate (1-3) of the unilateral track groove on the corresponding side; the upper track traveling wheels (6-6) are aligned with the corresponding inner support plates (1-2) and are staggered from the outer support plates (1-3).
3. A high speed linear cross belt sorter as claimed in claim 1 wherein: the rotary track (8) comprises two unilateral track plates (8-1) and n positioning columns (8-2), wherein n is more than or equal to 2; n circular limiting grooves (8-3) are formed in corresponding positions on opposite side surfaces of the two single-side track plates (8-1); one ends of the n positioning columns (8-2) are respectively positioned through n circular limiting grooves (8-3) on the inner side surface of one of the unilateral track plates (8-1); the other ends of the n positioning columns (8-2) are respectively positioned through n circular limiting grooves (8-3) on the inner side surface of the other one-side track plate (8-1), so that the two one-side track plates (8-1) are aligned.
4. A high speed linear cross belt sorter as claimed in claim 1 wherein: a sliding contact line is arranged on the upper layer track (7); the lower layer track and the rotary track (8) are not provided with sliding contact lines; and a wire collecting arm corresponding to the sliding contact wire is arranged on the frame of the sorting trolley.
5. A high speed linear cross belt sorter as claimed in claim 1 wherein: the device also comprises a sliding contact module (5); the sliding contact module (5) comprises a sliding contact line group (5-2) and a lead-in block (5-3); the sliding contact line group (5-2) is arranged and fixed in the upper-layer track (7); the sliding contact line group (5-2) comprises a plurality of sliding contact lines which are sequentially arranged at intervals along the width direction of the upper layer track (7); one end or two ends of each sliding contact line are provided with a guide block (5-3); the contacts on the wire collecting arm (6-8) on the sorting trolley (6) are respectively aligned with the sliding contact wires in the sliding contact wire group (5-2).
6. A high speed linear cross belt sorter as in claim 5 wherein: each sliding contact line is respectively connected to the power supply module and the control module, and supplies power to the driving roller on each sorting trolley (6) and provides a control signal and a coding signal; and each contact on the current collecting arm is respectively connected with a power supply interface and a control interface of the driving roller.
7. A high speed linear cross belt sorter as claimed in claim 2 wherein: the distance between the two upper track traveling wheels (6-6) is a; the distance between the two lower track traveling wheels (6-7) is b; the width of the inner supporting plate (1-2) is larger than that of the outer supporting plate (1-3); the distance between the inner side support plates (1-2) on the two unilateral rail grooves is c; the distance between the outer side support plates (1-3) on the two unilateral rail grooves is d; c is less than a; a < d < b.
8. According toA high speed linear cross belt sorter as claimed in claim 2 wherein: the upper track travelling wheels (6-6) and the lower track travelling wheels (6-7) in the same double-wheel travelling wheel group are supported on the same mounting shaft; the width of the unilateral rail groove is e; r is1+r2＜e＜r1+r2+Δs；r1、r2The radiuses of the upper track traveling wheels (6-6) and the lower track traveling wheels (6-7) respectively; Δ s is the allowed run-out width.
9. A high speed linear cross belt sorter as claimed in claim 1 wherein: a secondary plate (6-4) is fixed at the bottom of the frame (6-1); the secondary plate (6-4) is horizontally arranged; one or more walking driving modules (4) are arranged on the annular track (1); a linear motor (4-2) for driving the secondary plate (6-4) is arranged in the walking driving module (4).
10. A high speed linear cross belt sorter as claimed in claim 9 wherein: the walking driving module (4) also comprises a base (4-1) and a protective wheel assembly (4-3); the linear motor (4-2) is fixed on the base (4-1) and corresponds to the secondary plate (6-4) arranged on the sorting trolley (6); the guard wheel assembly (4-3) comprises a plurality of guard units; the protection units are arranged at equal intervals in sequence along the advancing direction of the sorting trolley (6); the center distance between two adjacent protection units is less than half of the length of the secondary plate (6-4); the protection unit comprises two protection wheels which are supported on the base (4-1) and are respectively positioned on two sides of the linear motor (4-2); the distance between the two protective wheels is smaller than the width of the secondary plate (6-4); the outermost edge of each guard wheel extends beyond the drive face of the linear motor (4-2).
11. A high speed linear cross belt sorter as claimed in claim 1 wherein: the sorting trolley (6) further comprises a frame (6-1), a transverse conveying module (6-2), guide wheels (6-3) and a secondary plate (6-4); the transverse conveying module (6-2) is arranged on the frame (6-1); guide wheels (6-3) are supported on two sides of the bottom of the frame (6-1); a guide plate (1-1) is arranged at the side part of the unilateral rail groove; two guide wheels (6-3) on the sorting trolley (6) are respectively contacted with the two guide plates (1-1).
12. A high speed linear cross belt sorter as claimed in claim 11 wherein: the transverse conveying module (6-2) comprises a conveying frame, a driving roller, a driven roller and a conveying belt; the conveying frame is fixed with the top of the frame (6-1); the driving roller and the driven roller are respectively supported at two sides of the conveying frame and are connected through the conveying belt.
13. A high speed linear cross belt sorter as claimed in claim 1 wherein: two ends of the frame (6-1) are respectively provided with a hinge sleeve (6-10) and a hinge pin shaft (6-9); the hinge sleeve (6-10) on the former sorting trolley (6) and the hinge pin shaft (6-9) on the latter sorting trolley (6) form a revolute pair.
14. The method of operating a high speed linear cross belt sorter apparatus as claimed in claim 1 wherein: the walking driving module (4) drives the sorting trolley (6) to circularly run; when one sorting trolley (6) enters the lower half part from the upper half part of the revolving track (8), under the action of gravity, an upper track traveling wheel (6-6) on the sorting trolley (6) is separated from an inner side supporting plate (1-2) on the annular track (1), and a lower track traveling wheel (6-7) is contacted with an outer side supporting plate (1-3) on the annular track (1), so that the steering change of the upper track traveling wheel (6-6) is avoided;
when a sorting trolley (6) enters the upper half part from the lower half part of the rotary track (8), under the action of gravity, the lower track travelling wheels (6-7) on the sorting trolley (6) are separated from the outer side supporting plates (1-3) on the annular track (1), and the lower track travelling wheels (6-7) are contacted with the inner side supporting plates (1-2) on the annular track (1), so that the steering change of the lower track travelling wheels (6-7) is avoided.
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| CN113171989B (en) | 2022-11-11 |
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